Infant activity gymnasium unit



FIG. 1 is a top, front, left side perspective view of an infant activity gymnasium unit showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a top, front, left side perspective view thereof.

The buttons and suspended animal-shaped elements are shown in broken lines for illustrative purposes only and form no part of the claim. 

The ornamental design for a infant activity gymnasium unit, as shown and described. 